package com.itheima.map;

import java.util.HashMap;
import java.util.Map;

public class Demo1 {
    public static void main(String[] args) {
        Map<String,String> m = new HashMap<>();
        m.put("itheima001","小智");
        m.put("itheima002","小美");
        m.put("itheima003","大胖");
        m.put("itheima004","小智");
        m.put("itheima004","大智");

        System.out.println(m);
    }
}
